Search a number
-
+
20068571318160 = 243583619047159
BaseRepresentation
bin1001001000000100101000…
…00100001000011110010000
32122001112111020111101111010
410210002110010020132100
510112300413224140120
6110403212511250520
74140622622430231
oct444022404103620
978045436441433
1020068571318160
116438040360312
12230150bb19a40
13b275c5749901
144d5477217088
1524c069d387e0
hex124094108790

20068571318160 has 40 divisors (see below), whose sum is σ = 62212571087040. Its totient is φ = 5351619018112.

The previous prime is 20068571318119. The next prime is 20068571318177. The reversal of 20068571318160 is 6181317586002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41809523340 + ... + 41809523819.

It is an arithmetic number, because the mean of its divisors is an integer number (1555314277176).

Almost surely, 220068571318160 is an apocalyptic number.

20068571318160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20068571318160 is an abundant number, since it is smaller than the sum of its proper divisors (42143999768880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20068571318160 is a wasteful number, since it uses less digits than its factorization.

20068571318160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83619047175 (or 83619047169 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 20068571318160 in words is "twenty trillion, sixty-eight billion, five hundred seventy-one million, three hundred eighteen thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 83619047159 167238094318 250857141477 334476188636 418095235795 501714282954 668952377272 836190471590 1003428565908 1254285707385 1337904754544 1672380943180 2006857131816 2508571414770 3344761886360 4013714263632 5017142829540 6689523772720 10034285659080 20068571318160